YASKAWA SGD7S-*A20**F62 Series Product Manual

Contents

5.2 List of Alarms5-4A.101 Motor OvercurrentDetectedThe current to the motor exceeded the allowablecurrent. Gr.1 NoA.300 Regeneration Error There is an error related to regeneration. Gr.1 YesA.320 Regenerative Overload A regenerative overload occurred. Gr.2 YesA.330 Main Circuit Power SupplyWiring Error• The AC power supply input setting or DC powersupply input setting is not correct.• The power supply wiring is not correct.Gr.1 YesA.400 Overvoltage The main circuit DC voltage is too high. Gr.1 YesA.410 Undervoltage The main circuit DC voltage is too low. Gr.2 YesA.510 Overspeed The motor exceeded the maximum speed. Gr.1 YesA.520 Vibration Alarm Abnormal oscillation was detected in the motorspeed. Gr.1 YesA.521 Autotuning Alarm Vibration was detected during autotuning for thetuning-less function. Gr.1 YesA.550 Maximum Speed SettingErrorThe setting of Pn385 (Maximum Motor Speed) isgreater than the maximum motor speed. Gr.1 YesA.710 Instantaneous OverloadThe Servomotor was operating for several sec-onds to several tens of seconds under a torquethat largely exceeded the rating.Gr.2 YesA.720 Continuous Overload The Servomotor was operating continuouslyunder a torque that exceeded the rating. Gr.1 YesA.730 Dynamic Brake OverloadWhen the dynamic brake was applied, the rota-tional or linear kinetic energy exceeded thecapacity of the dynamic brake resistor.Gr.1 YesA.731A.740 Inrush Current LimitingResistor OverloadThe main circuit power supply was frequentlyturned ON and OFF. Gr.1 YesA.7A1Internal Temperature Error1 (Control Board Tempera-ture Error)The surrounding temperature of the control PCBis abnormal. Gr.2 YesA.7A2Internal Temperature Error2 (Power Board Tempera-ture Error)The surrounding temperature of the power PCBis abnormal. Gr.2 YesA.7A3 Internal Temperature Sen-sor ErrorAn error occurred in the temperature sensor cir-cuit. Gr.2 NoA.7Ab SERVOPACK Built-in FanStopped The fan inside the SERVOPACK stopped. Gr.1 YesA.810 Encoder Backup Alarm The power supplies to the encoder all failed andthe position data was lost. Gr.1 NoA.820 Encoder Checksum Alarm There is an error in the checksum results forencoder memory. Gr.1 NoA.830 Encoder Battery AlarmThe battery voltage was lower than the specifiedlevel after the control power supply was turnedON.Gr.1 YesA.840 Encoder Data Alarm There is an internal data error in the encoder. Gr.1 NoA.850 Encoder Overspeed The encoder was operating at high speed whenthe power was turned ON. Gr.1 NoA.860 Encoder Overheated The internal temperature of encoder is too high. Gr.1 NoA.861 Motor Overheated The internal temperature of motor is too high. Gr.1 NoA.890 Encoder Scale Error A failure occurred in the linear encoder. Gr.1 NoA.891 Encoder Module Error An error occurred in the linear encoder. Gr.1 NoA.8A0 External Encoder Error An error occurred in the external encoder. Gr.1 YesContinued on next page.Continued from previous page.AlarmNumber Alarm Name Alarm MeaningServo-motorStop-pingMethodAlarmResetPossi-ble?